<template>
    <h2>关于</h2>
</template>

<script lang="ts" setup name="About">
import { onMounted, onUnmounted } from 'vue';

onMounted(() => {
    console.log('About组件挂载');
});

onUnmounted(() => {
    console.log('About组件卸载');
})
</script>

<style lang="css" scoped>
</style>